239018889680

素因数分解:

$2^4\times 5^1\times {\mathrm{2987736121}}^1$

素因数の和:2987736134

約数の個数: 20

約数和(自身を含む): 555718918692

約数和(自身を除く): 316700029012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2987736121, 5975472242, 11950944484, 14938680605, 23901888968, 29877361210, 47803777936, 59754722420, 119509444840, 239018889680]

約数ペア:

[(1, 239018889680), (2, 119509444840), (4, 59754722420), (5, 47803777936), (8, 29877361210), (10, 23901888968), (16, 14938680605), (20, 11950944484), (40, 5975472242), (80, 2987736121)]